Wrap Content Type Retriever in Error Handler

Author: RealityRipple

chrome/content/grabber.js

@@ -357,11 +357,22 @@ hterr_grabber.TracingListener.prototype = {
  return;
  if (code >= 600)
  return;
- let mime = channel.contentType;
- let cType = mime.substring(0, mime.indexOf('/'));
- let cEnc = mime.substring(mime.indexOf('/') + 1);
- if (!(cType === 'text' || (cType === 'application' && (cEnc.includes('html') || cEnc.includes('xml'))) || mime === 'image/svg+xml'))
- return;
+ let mime = false;
+ try
+ {
+ mime = channel.contentType;
+ }
+ catch (ex)
+ {
+ mime = false;
+ }
+ if (!!mime)
+ {
+ let cType = mime.substring(0, mime.indexOf('/'));
+ let cEnc = mime.substring(mime.indexOf('/') + 1);
+ if (!(cType === 'text' || (cType === 'application' && (cEnc.includes('html') || cEnc.includes('xml'))) || mime === 'image/svg+xml'))
+ return;
+ }
  let extraParam = null;
  try
  {